package com.spike.servlet;

import com.spike.model.User;
import com.spike.service.UserService;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/loginAjax")
public class LoginAjaxServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String username = req.getParameter("username");
//        通过用户名查询用户
        UserService userService = new UserService();
        User byName = userService.findByName(username);
        if (byName != null) {
//            用户存在
            resp.getWriter().write("200");
        }else
            resp.getWriter().write("500");

    }
}
